TY  - RPRT
TI  - Letter: Rectus-muscle spasm simulating perforated peptic ulcer.
AU  - D Young
PY  - 1976
DO  - 10.1016/s0140-6736(76)91588-9
UR  - https://pubmed.ncbi.nlm.nih.gov/58242/
ID  - 58242
ER  -